1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.spring.servlet;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.kernel.util.GetterUtil;
28  import com.liferay.portal.model.User;
29  import com.liferay.portal.security.auth.CompanyThreadLocal;
30  import com.liferay.portal.security.auth.PrincipalThreadLocal;
31  import com.liferay.portal.security.permission.PermissionChecker;
32  import com.liferay.portal.security.permission.PermissionCheckerFactory;
33  import com.liferay.portal.security.permission.PermissionThreadLocal;
34  import com.liferay.portal.service.UserLocalServiceUtil;
35  import com.liferay.portal.spring.context.TunnelApplicationContext;
36  import com.liferay.portal.util.PortalInstances;
37  
38  import javax.servlet.ServletException;
39  import javax.servlet.http.HttpServletRequest;
40  import javax.servlet.http.HttpServletResponse;
41  
42  import org.springframework.web.servlet.DispatcherServlet;
43  
44  /**
45   * <a href="RemotingServlet.java.html"><b><i>View Source</i></b></a>
46   *
47   * @author Brian Wing Shun Chan
48   */
49  public class RemotingServlet extends DispatcherServlet {
50  
51      public static final String CONTEXT_CLASS =
52          TunnelApplicationContext.class.getName();
53  
54      public static final String CONTEXT_CONFIG_LOCATION =
55          "/WEB-INF/remoting-servlet.xml,/WEB-INF/remoting-servlet-ext.xml";
56  
57      public Class<?> getContextClass() {
58          try {
59              return Class.forName(CONTEXT_CLASS);
60          }
61          catch (Exception e) {
62              _log.error(e);
63          }
64  
65          return null;
66      }
67  
68      public String getContextConfigLocation() {
69          return CONTEXT_CONFIG_LOCATION;
70      }
71  
72      public void service(
73              HttpServletRequest request, HttpServletResponse response)
74          throws ServletException {
75  
76          PermissionChecker permissionChecker = null;
77  
78          try {
79              String remoteUser = request.getRemoteUser();
80  
81              if (_log.isDebugEnabled()) {
82                  _log.debug("Remote user " + remoteUser);
83              }
84  
85              long companyId = PortalInstances.getCompanyId(request);
86  
87              CompanyThreadLocal.setCompanyId(companyId);
88  
89              if (remoteUser != null) {
90                  PrincipalThreadLocal.setName(remoteUser);
91  
92                  long userId = GetterUtil.getLong(remoteUser);
93  
94                  User user = UserLocalServiceUtil.getUserById(userId);
95  
96                  permissionChecker = PermissionCheckerFactory.create(user, true);
97  
98                  PermissionThreadLocal.setPermissionChecker(permissionChecker);
99              }
100             else {
101                 if (_log.isWarnEnabled()) {
102                     _log.warn(
103                         "User id is not provided. An exception will be " +
104                             "thrown  if a protected method is accessed.");
105                 }
106             }
107 
108             super.service(request, response);
109         }
110         catch (Exception e) {
111             throw new ServletException(e);
112         }
113         finally {
114             try {
115                 PermissionCheckerFactory.recycle(permissionChecker);
116             }
117             catch (Exception e) {
118             }
119         }
120     }
121 
122     private static Log _log = LogFactoryUtil.getLog(RemotingServlet.class);
123 
124 }